<div dir="ltr"><div><div><div><div>Hi all, <br>I need to unset default value of LOCKDEP(=y) and TRACE_IRQFLAGS_SUPPORT(=y) to both &quot;n&quot;. Having asked around and had tried for at least 3 days, seriously I still couldn&#39;t get both items configured as &quot;n&quot;<br><br>Perhaps someone can help me on this item first. For instance, Symbol TRACE_IRQFLAGS description below, to set it, it will need the logics below:<br></div><br>PROVE_LOCKING [=y] &amp;&amp; DEBUG_KERNEL [=y] &amp;&amp; 
TRACE_IRQFLAGS_SUPPORT [=y] &amp;&amp; STACKTRACE_SUPPORT [=y] 
&amp;&amp; LOCKDEP_SUPPORT [=y] || <br>IRQSOFF_TRACER [=n] &amp;&amp; 
TRACING_SUPPORT [=y] &amp;&amp; FTRACE <br><br></div>To unset it, I could either set DEBUG_KERNEL=n or set TRACING_SUPPORT=n (or FTRACE=n). However, having set it, yet I don&#39;t see symbol TRACE_IRQFLAGS is unset.<br><br></div>Anything wrong of my interpretation of the logics above?<br><br></div>Copied from &quot;/&quot; type TRACE_IRQFLAGS in menuconfig<br><div><div><div><br>  │ Symbol: TRACE_IRQFLAGS [=y]                                                                                                                                                                           │  <br>  │ Type  : boolean                                                                                                                                                                                       │  <br>  │   Defined at lib/Kconfig.debug:1047                                                                                                                                                                   │  <br>  │   Selected by: PROVE_LOCKING [=y] &amp;&amp; DEBUG_KERNEL [=y] &amp;&amp; TRACE_IRQFLAGS_SUPPORT [=y] &amp;&amp; STACKTRACE_SUPPORT [=y] &amp;&amp; LOCKDEP_SUPPORT [=y] || IRQSOFF_TRACER [=n] &amp;&amp; TRACING_SUPPORT [=y] &amp;&amp; FTRACE [=n │  <br>  │                                                                                                                                                                                                       │  <br>  │                                                                                                                                                                                                       │  <br>  │ Symbol: TRACE_IRQFLAGS_SUPPORT [=y]                                                                                                                                                                   │  <br>  │ Type  : boolean                                                                                                                                                                                       │  <br>  │   Defined at arch/arm/Kconfig:174 <br><br><br></div><div>Appreciate any comments. <br></div><div>Thanks in advance.<br><br></div><div>Lim<br></div></div></div></div>